Dyed or Printed material is exposed in day light / artificial xenon arc lamp light to assess the Light fastness Property.It is assessed on a scale of eight (1……..8): 1 representing the least fastness and 8 the best. Principle A specimen of the textile is exposed to daylight under prescribed conditions, including protection from rain, […]

Principle Specimens of textiles are rubbed with dry rubbing cloth and with wet rubbing cloth by means of rubbing finger of specified dimensions. The staining of rubbing cloth is assessed with the grey scale for staining. The ratings are assessed for dry rubbing and wet rubbing fastness of the specimen. The procedure followed by ISO […]

Principle Of Measurement Of Fastness To Alkali, Acid Perspiration Specimens of the Textiles in contact with adjacent fabrics are treated with two different solutions of acid and alkali immerse it for 30 minutes and the removed.The materials are uniformly squeezed and placed under a specified load for 4 hrs in between the two acrylic sheets of […]

Principle of Testing A sample of textile in the form of fabric is in contact with a piece of specified adjacent fabrics in mechanically agitated in a soap or soap-soda solution, rinsed and dried. The change in colour of the specimen and the staining of the adjacent fabrics are assessed with a gray scales. Sampling: […]

Fibre Blends The most important mixtures are with cotton. “Half linen” or Union is a fabric with cotton warp yarns and linen weft. Flax is also mixed with other bast fibres, such as hemp and ramie, and with cellulosic or synthetic man-made fibres, such as modal, polyamide, polyester, or polyacrylics. The linen look (yarn structure, […]